Derek Harmon, D.O.
Emergency Medicine Physician · Portsmouth, OH
Derek Harmon, D.O. is an emergency medicine physician with a practice address in Portsmouth, Ohio, and NPI 1265768873, issued on Nov 2, 2009. Check the license (Ohio 58.003383, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Derek Harmon
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 58.003383 OH
34.010664 OH
2012-01702 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1735 27TH St, Portsmouth, OH 45662
- Phone
- (740) 356-8051
- Enumerated
- Nov 2, 2009
- Record last updated
- Sep 6, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (740) 353-7900
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 1735 27TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathy AdamsSurgical Technologist1407122369
- Maja Babic, MDInfectious Disease Physician1063673986
- Brandon Bomsta, DOEmergency Medicine Physician1538495106
- Joseph Bushek, DOEmergency Medicine Physician1952559486
- Bryan Carney, D.O.Emergency Medicine Physician1285987248
- Nadia Chammas-Aoun, M.D.Internal Medicine Physician1053553925
Verify Derek Harmon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 58.003383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average emergency medicine physician in 2024
326 Medicare Part D claims for 226 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 32 claims were for opioids.
Most prescribed
- Cephalexin51 claims
- Ondansetron Odt45 claims
- Doxycycline Hyclate38 claims
- Hydrocodone-Acetaminophen25 claims
- Prednisone23 claims
- Dexamethasone15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Derek Harmon among 3,002 emergency medicine physician records in Ohio
Derek Harmon, D.O. is one of 3,002 emergency medicine physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 48% of them.
- NPI issued2009 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 emergency medicine physician records list a practice address in Portsmouth
They are 23 of the 1,937 NPPES records with a practice address in Portsmouth, and 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Portsmouth → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ronelle Betts, M.D.Portsmouth, OH 456621790852317
- Brandon Bomsta, DOPortsmouth, OH 456621538495106
- Joseph Bushek, DOPortsmouth, OH 456621952559486
- Bryan Carney, D.O.Portsmouth, OH 456621285987248
- Thomas Carter, DO FACEPPortsmouth, OH 456621679684039
- Randy Ekins, D.O.Portsmouth, OH 456621750635835
- Gordon Givan, MDPortsmouth, OH 456621861654766
- Stephen Lyon, D.O.Portsmouth, OH 456621205180387
Common questions
What is Derek Harmon, D.O.'s NPI number?
Derek Harmon, D.O.'s National Provider Identifier (NPI) is 1265768873, issued on Nov 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Derek Harmon, D.O. located?
The NPPES record lists a practice address at 1735 27TH St, Portsmouth, OH, 45662. Phone: (740) 356-8051. Providers update this record themselves, so call before visiting.
How can I verify Derek Harmon, D.O.'s license?
NPPES lists Ohio license number 58.003383, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Derek Harmon, D.O. prescribe under Medicare Part D?
In 2024, Derek Harmon, D.O. had 326 Medicare Part D claims for 226 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.